Rule 34 Dev - 00s 4girls ahoge blue_hair blush bow female full-face_blush girl_on_top hair_bow heavy_breathing hiiragi_kagami hiiragi_tsukasa human izumi_konata kogaku_kazuya lucky_star lying multiple_girls musical_note on_back partner_swap pink_hair purple_eyes purple_hair school_uniform serafuku short_hair siblings sisters straddling takara_miyuki twins twintails yuri|4192829631